random sampling 中文意思是什麼

random sampling 解釋
隨機取樣。

  • random : n 〈罕用語〉胡亂行為，偶然的[隨便的]行動[過程]。adj 1 任意的，胡亂的，隨便的；（話等）信口亂說的...
  • sampling : n. 1. 取樣（品），取標（本）〈指行動或程序〉。2. 樣品，標本。3. 剽竊拼湊歌曲。
  1. In accordance with the problem that the fcm algorithm is quite time - consuming for search out cluster cancroids and may not be suitable for on - line modeling and control. this dissertation proposed an improved fuzzy identification method based multistage random sampling fuzzy c - means clustering algorithm ( mrfcm ). it has higher approximate precision and the cpu time has slowed down sharply compared with the common fuzzy

    Johnyen和liangwang介紹了幾種應用於模糊模型的信息優化準則，本論文在此基礎上對統計信息準則進行一些改進，並與快速模糊聚類和正交最小二乘方法結合，提高了模型的辨識精度和泛化能力。
  2. The materials as explant in transformation come from birch leaf, stem segment and leaf stalk, and the spider toxin gene was used as foreign gene for this transformation experiment. it showed that the best explant was the big leaf, on which the transformation frequency was 22 %. by gus detection, there were 43 percent of the plants with kanamycin resistance, and 100 percent of positive result, by pcr amplification, was gotten from random sampling

    利用雙元載體的根癌農桿菌lba4404菌株（ agrobacteriumtumefaciens ） ，含質粒pyhy （目的基因及npt 、 gus基因） ，對白樺試管苗莖段，葉柄，葉片三種外植體進行侵染，結果表明：大葉片生長勢強，為轉基因的最優外植體，轉化率能夠達到22 。
  3. There are many applications for random sampling

    隨機抽樣有許多應用場合。
  4. Proportion allocation in stratified random sampling

    按比例分層隨機抽樣
  5. The regression estimator in cluster random sampling

    整群抽樣回歸估計量
  6. Conduct first article inspection and random sampling inspection

    進行首件檢驗和抽查檢驗。
  7. Standard practice for random sampling of construction materials

    隨機采樣的建築材料的標準實施規程
  8. Methods for random sampling by utillzing dices of random number

    利用隨機數骰子進行隨機抽樣的方法
  9. Methods for random sampling by utilizing dices of random number

    利用隨機數骰子進行隨機抽樣的方法
  10. Equivalent sampling has sequence sampling and random sampling

    等效采樣分為順序采樣和隨機等效采樣
  11. We did the random sampling of five pieces per batch of 100

    我們在每批一百件的貨品中取五件隨機抽樣。
  12. In such problems, there are too many test cases to evaluate all the candidates, and a random sampling of test cases can be uninformative

    在這類問題中，對于所有的候選解而言，由於其數目太多而無法對它們進行評估，而且隨機的測試事例采樣也不能提供有用的信息。
  13. Based on the review of and comment on the concepts and theories of attitude and travel attitude and the current research situations about travel attitude, according to three element theories of the attitude, by way of random sampling of strata, the paper has carried on measurement of travel attitude of zhengzhou city, wuzhi county and yuanyang county resident. in writing this paper, the author designed a travel attitude inventory, which had been proved to be of good reliability and validity. then it carries on factor analysis and cluster ' s analysis to the measurement

    本研究在對態度、旅遊態度的概念、理論和旅遊態度的研究現狀進行述評的基礎上，依據態度的三元素理論，採用經過信度、效度檢驗的自編旅遊態度問卷，以分層隨機抽樣的方式，對鄭州市、武陟縣和原陽縣居民的旅遊態度進行了測量，並對測量數據進行因素分析和聚類分析。
  14. The thesis task is a part of the serial number project of 500mhz random sampling wideband digital storage oscillograph, 2002

    本課題是2002年的型號項目「 500mhz隨機取樣寬帶數字存儲示波器」預研的一部分。
  15. High - speed random sampling of high - speed digitizing storage oscilloscope is discussed in this thesis and which are mainly analysed in the time - domain and the frequency - domain

    本課題研究對象是高速數字存儲示波器的高速隨機取樣變換技術。主要從頻域和時域兩個方面加以分析論述。
  16. At the other end of the spectrum, high - error - rate ( 4 percent ) random sampling of the genome has proved useful for discovery and classification of various rna and tissue types

    從另一角度來看，對基因組隨機取樣定序，即使誤差高（ 4 % ） ，卻對發現和區分各種rna和組織類型極為有用。
  17. This paper deals with the problem of non - uniform weed numbers obtained with all types of random sampling methods, discussing the importance of statistical control methods in herbicide efficacy evaluation and showing pertinent calculations

    針對隨機取樣中的各樣方內雜草數目不一致問題，討論了統計控制方法在除草劑藥效評價中的重要性以及計算過程。
  18. Clustering algorithm based on random - sampling and cluster - feature

    基於隨機抽樣和聚類特徵的聚類演算法
  19. Precision of simple random sampling

    簡單隨機抽樣精密度
  20. The random sampling theory possess of many advantages on technology. the more high - powered wdso can be manufactured with electronic components coming forth and its cost falling

    針對目前國內元器件生產能力和進口器件狀況，選用隨機采樣原理具有很高的技術優勢，隨著器件成本的降低和高性能器件的出現，完全可以做出更高性能的同類產品。
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